Unimaginable (adjective)

Not able to be imagined or not able to be conceived.

Origin:

From the word "unimaginable" which means not able to be imagined or not able to be conceived.

Examples:

1. The scale of the disaster was unimaginable.
2. The cost of the project was unimaginable.
3. The speed of the new car was unimaginable.
4. The amount of data that can be stored on a single device is unimaginable.
5. The pain he felt was unimaginable.